Home / 12,241,868.72-18,365,044.88-5,049,479.05

Finding the Fourth Proportional to 12,241,868.72, 18,365,044.88 and 5,049,479.05

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Solution

The fourth proportional to 12,241,868.72, 18,365,044.88 and 5,049,479.05 is: 7,575,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,868.72 : 18,365,044.88 = 5,049,479.05 : x
  2. Step 2: Convert to fraction form
    12,241,868.72/18,365,044.88 = 5,049,479.05/x
  3. Step 3: Cross multiply
    12,241,868.72x = 18,365,044.88 × 5,049,479.05
  4. Step 4: Simplify right side
    12,241,868.72x = 92,733,909,340,580.86
  5. Step 5: Solve for x
    x = 92,733,909,340,580.86/12,241,868.72
  6. Step 6: Final answer
    x = 7,575,143.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.